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How to find a concentric irregular polygon

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Matteo Nicoletta
Matteo Nicoletta 2022-3-1
回答： Image Analyst 2023-9-7
Hi everyone,
How can I find a new set of points which compose a concentric polygon, inside the original one (in the picture), with a given distance from it?

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Image Analyst
Image Analyst 2023-9-7
I'd just find the centroid of the shape, then run around the perimeter finding the distance to the centroid. Then use normal trig functions to shorten that distance and get new (x,y) coordinates.

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